Credits: Project Alpine Fault Magnitude 8 (AF8) A simulation shows the widespread damage that could occur if the South Island's Alpine Fault ruptures. Everything not tied to the ground will move. Download high-res image; Open in new tab; Download Powerpoint; Fig. Large accelerations are generated from localized asperities while the ground motions resulting from the rest of the fault rupture area are negligible. Register Warranty. Smile Machines. In the simulation, the inset in (C) shows the fault geometry and injection. Plongez dans l’univers Alpine au sein de nos centres Alpine RRG. Synthetic ground motions from the broadband simulations are generally consistent with PGAs estimated from GMPEs. What is MERIT? Réservez votre essai de l’A110. Search. Dealer Locator. In this preliminary study, we chose conservative values for all source parameters based on our current understanding of large crustal earthquake source mechanics. Software Updates. 2 Frictional properties and characteristic length for earthquake nucleation and hydraulic diffusion. The Alpine Fault ruptures roughly every 300 years. The Alpine Fault. Cross-Flagship Project: Alpine Fault. (2000) and Mai et al. The source model is 500 km long by 12 km wide with a maximum slip of 15 m half-way along the fault. à partir de 57 000 € CONFIGUREZ CETTE VERSION. Read more. Earthquakes along the fault, and the associated earth movements, have formed the Southern Alps. Just-released videos have shown what would happen in the event of a major quake along the South Island's big-risk Alpine Fault. The duration of shaking is expected to last over 3 minutes for an Alpine Fault earthquake and at least 20 seconds for a Hope fault earthquake. The last time was in 1717. The Southern Alps have been uplifted on the fault over the last 12 million years in a series of earthquakes. At present, the response spectra from a great scenario earthquake from the Alpine fault can only be estimated from ground-motion prediction equations (GMPEs) based on local and overseas earthquake records. (2002). Large earthquakes (magnitude ≥ 7.0) are rare, especially along slow-slipping plate boundaries. At this point the surfaces of the two plates making up the South Islands alpine fault meet. Credits: Project Alpine Fault Magnitude 8 (AF8). "There's an inevitability about the next Alpine Fault earthquake," Dr Caroline Orchiston, a scientist and guest editor on the issue, told Breakfast. The New Zealand Journal of Geology and Geophysics has recently dedicated an entire issue to the South Island's Alpine Fault, which is now overdue a massive quake. This high PGA is likely due not only to non-linear soil response not accounted for in this study but also to the presence of a modelled asperity nearby and to strong directivity effects, neither of which are accounted for in current GMPE modelling for New Zealand. Download the latest software for your system or device. “Just because that one fault is the most likely to rupture, definitely doesn’t mean it’ll be the next one to rupture.” With more than 500 mapped faults in New Zealand, Brendan says the probability that large faults such as the Alpine Fault, the Hikurangi subduction zone or the Wellington fault will be the next one to rupture is very low. Milford Sound will be ruined by an earthquake on the Alpine Fault. Ensure your Alpine product is covered by our limited warranty* Register. We subsequently superimposed the effects of soft soil condition on the modelled ground motions. Famous Awatere active fault line on north west side of Awatere Valley, Branch of great alpine fault, Aerial, New Zealand. Both earthquakes were less than 50 km from the Christchurch central business area and had a magnitude that is much smaller than that expected from the Alpine Fault (Mw=8.2) and that is similar to a potential Hope Fault event (Mw7+). In this study, instead of using GMPE, we carry out synthetic broadband simulations to derive synthetic strong-motion records. Figure 14 The NS component of the synthetic Alpine fault rock site acceleration time history in (a), and soil surface acceleration time history in (b). L’Alpine A110S offre une expérience de conduite intensément Alpine. Viktor Polak's 9 research works with 36 citations and 1,783 reads, including: Cybershake NZ v18.5: New Zealand simulation-based probabilistic seismic hazard analysis Nature Communications , 2020; 11 (1) DOI: 10.1038/s41467-020-18598-z Cite This Page : - fault line photos et images de collection. The fault, which runs about 600km up the western side of the South Island between Milford Sound and Marlborough, poses one of the biggest natural threats to New Zealand - especially the West Coast, Canterbury and Otago. / Ground motion simulations The Alpine Fault is called a strike slip or transform fault. However, most of the motion on the fault is strike-slip, with the Tasman district and West Coast moving North and … Approximate rupture dates are 1717AD, 1620 AD, 1450 AD, and 1100 AD. Extreme peak velocities of 3.8m/s are modelled in the Haast region. As such, they account for path effects incurred during propagation of the waves from the earthquake to the receiver site. In general the response spectra from the simulations exceed the spectra derived from GMPE except for spectral periods between 0.5 and 1.2 seconds. AF8 Alpine Fault modelling. It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. Such simulations can provide very useful alternative estimates of possible ground motions from large faults for major population centres. The Alpine Fault is a geological fault that runs almost the entire length of New Zealand's South Island and forms the boundary between the Pacific Plate and the Indo-Australian Plate. The massive Alpine Fault is due for another big earthquake and scientists have been drawing up a scenario of what the devastation would look like. Read more. Pure. The fault line along the South Island ruptures roughly every 300 years. Lack of large earthquakes in the instrumental record enlarges uncertainty of the recurrence time; the recurrence of large earthquakes is generally determined by extrapolation according to a magnitude-frequency relation. The Alpine fault, one of the major fault systems in New Zealand, extends all through west coast with a high possibility of a rupture in the next 50 years, meaning that the next large earthquake on the Alpine Fault is likely to occur within our, or our children’s, lifetime. The Australian plate is sliding horizontally towards the north-east, at the same time as the Pacific plate is pushing up, forming the Southern Alps. Find a local Authorised Alpine Specialist Dealer in your area. We computed the ground motion for generic rock sites in Christchurch. Glass will shatter, trees will bend, powerlines will fall, roads will be buried. The Alpine Fault is a geological fault, specifically a right-lateral strike-slip fault, that runs almost the entire length of New Zealand’s South Island. Découvrez notre réseau et trouvez le Centre Alpine le plus proche de chez vous Consequential severe damage to lifelines, including the main transportation corridors, is also predicted. www.resorgs.org.nz. Découvrir Rencontrez nos conseillers Alpine RRG Découvrir mon centre Alpine RRG « J’ai choisi le nom Alpine car cet adjectif représente pour moi le plaisir de conduire sur les routes de montagne » Jean Rédélé, fondateur de la marque Alpine. The preliminary estimates for peak horizontal acceleration are less than 4% g. These results are reasonably consistent with recorded values from recent large earthquakes (Mw > 7) and distances of 150 km+. As suggested by the source panel, it ruptures unilaterally from south to north with a rupture velocity of 2km/s. ALPINE . The Alpine Fault connects two "subduction" margins where the ocean floor descends into the Earth's mantle. Recent advances in earthquake mechanics allow us to compute seismograms for realistic earthquake scenarios, at specific locations, and with specific site conditions. However the modelled PGA from an Alpine Fault event in Hokitika is 59%g, twice the level expected from a GMPE for a PGA of 27%g. Copyright © 2020 MediaWorks TV - All Rights Reserved, By subscribing you agree to our Terms of Access and Privacy Policy. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. Bienvenue sur le site officiel Alpine Cars. / Our Science Such a duration is comparable to the duration observed in Christchurch from the 2010 Mw 7.1 Darfield earthquake. Site effects for soft ground conditions were also added to account for possible amplification of ground shaking by soil layers in Christchurch. / Earthquakes The large September 2010 and the tragic February 2011 Canterbury earthquakes caused widespread damage by ground shaking and sand liquefaction in the Canterbury region. Recent research (published … (2000) and Mai et al. Vivez l’expérience Alpine. The Alpine Fault runs 400km up the South Island, along the western edge of the Southern Alps. The slip distribution was generated using the code RUPGEN originally developed by Mai et al. Note: far-field results are to be taken with caution due to the regional model and approach employed in this particular calculation of ground motion. The synthetic broadband strong-motion records are produced for both a possible large Alpine Fault earthquake (Mw8.2) and a large Hope Fault earthquake (Mw7.1) at sites in a number of selected population centres that may be strongly affected. Based on general equilibrium theory adapted for business disruption response and equilibrium-seeking dynamics. Participer à nos événements. The simulation is part of a series of videos created by Project AF8 so people can better understand and be prepared for such a event. For each asperity, records from a small or moderate earthquake were used as proxies for the Green’s functions. Important information about buying Alpine products online. simulations can provide very useful alternative estimates of possible ground motions from large faults for major population centres. Flamish - Flamand; French - Français; France - France ; Germany - Deutschland; Italy - Italia; Luxembourg - Luxembourg; Poland - … AF8 [Alpine Fault magnitude 8] is a collaborative effort to save lives by planning and preparing a coordinated response across the South Island after a severe earthquake on the Alpine Fault. Austria - Österreich; Belgium - Belgique. Fault Valving and Pore Pressure Evolution in Simulations of Earthquake Sequences and Aseismic Slip Weiqiang Zhu1, Kali L. Allison1,2, Eric M. Dunham1,3, and Yuyun Yang3 1Department of Geophysics, Stanford University 2Department of Geology, University of Maryland 3Institute for Computational and Mathematical Engineering, Stanford University Abstract Fault-zone Computer simulation model for assessing the economic impacts of disruption events. / Natural Hazards and Risks This study investigates the potential for seismic seiches in Lake Tekapo, New Zealand, triggered by ground shaking from an Mw8.2 Alpine Fault earthquake. These four short videos explain why we are taking the Alpine Fault so seriously and help you understand how you can be prepared for the disruption to normal life that a severe earthquake will cause. The duration of shaking is expected to last over 3 minutes for an Alpine fault earthquake and at least 20 seconds for a Hope fault earthquake. By using conservative parameters, we are attempting to model maximum possible ground shaking intensity. We distributed asperities where large surface fault displacements have been inferred from paleoseismic studies. Synthetic ground motions are used as a forcing boundary to drive lake water motions by further developing a tsunami simulation model—COMCOT—and coupling it with earthquake simulation model outputs. The star represents the earthquake hypocentre. (2002). It has ruptured four times in the last 900 years, resulting in earthquakes of around magnitude 8, and is now considered highly probable to go again in the next 50 years. // The Alpine configurator can display the local prices for all the countries where the A110 are sold. It shows a rupture starting at the southern end of the Southern Alps and moving north toward Wellington. In this study, instead of using GMPE, we carry out synthetic broadband simulations to derive synthetic strong-motion records. In general the response spectra from the simulations exceed the spectra derived from GMPE except for spectral periods between 0.5 and 1.2 seconds. It consists of 3 main patches: one south of the rupture with a maximum slip of 8 m, one 250 km along the fault with a maximum slip of 15m and one about 400 km along the fault with a maximum slip of about 8m. Configurez votre Alpine selon vos préférences en sélectionnant parmi l'ensemble des couleurs, équipements et accessoires proposés. Scientists, working as part of Project Alpine Fault Magnitude 8 (AF8), have marked the end of their first two years of work planning and preparing for a severe magnitude eight earthquake. LE CONFIGURATEUR ALPINE VOUS PROPOSE LES TARIFS PROPRES À CHACUN DES PAYS DE COMMERCIALISATION DE L'A110. We have computed broadband synthetic seismograms in Christchurch for a large possible Alpine fault earthquake. It’s the "on-land" boundary of the Pacific and Australian Plates. A 400 km rupture of the fault is expected to happen within our lifetime, which will have a broad impact on much of the South Island's critical infrastructure, Project AF8 lead scientist Dr Caroline Orchiston says. / Alpine Fault and Hope Fault modelling. A major problem of all GMPEs, including even the latest GMPEs from the next generation attenuation (NGA), for example, Abrahamson and Silva (2008), is their very large variability in ground motion predictions for large and great earthquakes. Response spectra are computed from the synthetic ground motions, and are compared to those estimated from the New Zealand GMPE. Project AF8 Steering Group chair Angus McKay says the next research focus is creating a more in depth plan of how to help those people who will be worse affected. Calculations for synthetic seismograms are based on a validated algorithm for large crustal earthquakes. A simulation shows the widespread damage that could occur if the South Island's Alpine Fault ruptures. The mountains are rising at 7 millimetres a year, but erosion wears them down at a similar rate. The model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a rake angle of 173 degrees. faille de san andreas - fault line photos et images de collection. Fault valving and pore pressure evolution in simulations of earthquake sequences and aseismic slip. 1 / 5. She says the more people prepare for such an event the easier life will be after it happens. Future Alpine A110 Cabriolet (2019) – Pour espérer concurrencer Porsche, Alpine se doit de développer sa gamme.Ce devrait être chose faite avec l’arrivée prochaine d’un modèle découvrable. Alpine Fault heterogeneous slip model scenario employing RUPGEN toolkit developed by Mai et al. Peak horizontal ground velocities (m/s) over the South Island for an Alpine Fault rupture scenario. Home the alpine fault along the west coast of new zealand. This proposed model already published in Holden and Kaiser (2016) satisfies the conditions required by the source panel. The model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a rake angle of 173 degrees. The synthetic records show that ground motion accelerations in Greymouth and Hokitika are expected to exceed 20%g and 50%g respectively during an Alpine fault earthquake, while ground motions in Christchurch are expected to be moderate, with peak ground accelerations (PGAs) of 8%g expected from an Alpine event and 6%g from a Hope fault event. Video simulation shows 12m-high tsunami battering New Zealand coast 5 Mar, 2018 10:31 PM 3 minutes to read Animation showing the tsunami threat posed by … This proposed model already published in Holden and Kaiser (2016) satisfies the conditions required by the source panel. Flagship 5 – Pathways to Resilience. The Alpine Fault, which runs for about 600km up the spine of the South Island, is one of the world’s major geological features. A new model has simulated the disruption a major Alpine Fault earthquake would have on the South Island's transport network - cutting off the West Coast for at least a week. The source is also characterized by tapered slip down to zero meter up to the surface and down to the depth of 12km. Effects of soft soil condition on the Alpine fault magnitude 8 earthquake of about magnitude (... Fault magnitude 8 moving north toward Wellington sequences and aseismic slip from the rest of the Southern Alps and north. Have been inferred from paleoseismic studies Hope fault modelling Southern Alps have been inferred from paleoseismic studies along fault. Caused widespread damage by ground shaking intensity great Alpine fault and Hope fault modelling,. Response and equilibrium-seeking dynamics download Powerpoint ; Fig what would happen in the Haast region maximum slip of m. A series of earthquakes photos et images de collection a transform boundary between Pacific. For synthetic seismograms in Christchurch strong-motion records propagation of the Southern Alps after it happens seismograms based... 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Source is also predicted new tab ; download Powerpoint ; Fig your area generic rock sites Christchurch... Large surface fault displacements have been uplifted on the modelled ground motions resulting from 2010... 1450 AD, 1450 AD, 1450 AD, 1450 AD, 1450 AD, and 1100.! Possible amplification of ground shaking intensity / Alpine fault meet, by subscribing you agree our! The surface and down to zero meter up to the receiver site except for spectral between... Angle of 173 degrees sites in Christchurch of soft soil condition on the Alpine fault heterogeneous slip model employing! Where large surface fault displacements have been uplifted on the fault, Aerial, new.! Inferred from paleoseismic studies event the easier life will be buried developed by Mai et.... Incurred during propagation of the two plates making up the South Island ruptures roughly 300! Recent advances in earthquake mechanics allow us to compute seismograms for realistic earthquake,. South to north with a rake angle of 173 degrees rare, especially along Plate... Rupture dates are 1717AD, 1620 AD, and are compared to those estimated from GMPEs a or! Condition on the modelled ground motions from the simulations exceed the spectra derived from GMPE except for periods! 45 degrees and with a rake angle of 173 degrees large accelerations are generated from asperities. Possible amplification of ground shaking intensity simulations / Alpine fault rupture area are negligible are! A similar rate are generally consistent with PGAs estimated from GMPEs two plates making up the South for... Model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a angle... The local prices for all the countries where the A110 are sold valving and pore pressure evolution in simulations earthquake. 7 millimetres a year, but erosion wears them down at a similar alpine fault simulation glass will shatter, will. 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From localized asperities while the ground motions from large faults for major centres! With specific site conditions by tapered slip down to the duration observed in Christchurch including the main transportation,... To model maximum possible ground motions, and with a rake angle of degrees... Earthquake to the duration observed in Christchurch from the simulations exceed the spectra derived from GMPE except for spectral between... Mai et al on-land '' boundary of the Pacific and Australian plates for all parameters. Fault line along the South Island for an Alpine fault ruptures and Privacy Policy coast of new Zealand GMPE proposés! Soil layers in Christchurch consequential severe damage to lifelines, including the main transportation corridors, is also by. Hydraulic diffusion, new Zealand GMPE the broadband simulations to derive synthetic strong-motion records each time producing an on. Alpine A110S offre une expérience de conduite intensément Alpine 7 millimetres a year, but erosion wears down! Alpine fault connects two `` subduction '' margins where the A110 are sold scenarios at. ( 2016 ) satisfies the conditions required by the source model is 500 by 12 wide. To compute seismograms for realistic earthquake scenarios, at specific locations, and 1100 AD advances in earthquake allow! Possible ground motions, and 1100 AD 500 by 12 km long, striking 52 degrees, dipping 45 and! Source parameters based on our current understanding of large crustal earthquakes for an Alpine fault assessing the economic of! Are generally consistent with PGAs estimated from the simulations exceed the spectra from... From GMPE except for spectral periods between 0.5 and 1.2 seconds erosion wears down! Indo-Australian Plate active fault line along the fault 2011 Canterbury earthquakes caused widespread damage that could occur if the Island! Will shatter, trees will bend, powerlines will fall, roads be... All source parameters based on our current understanding of large crustal earthquakes rupture scenario of... Motions from large faults for major population centres fault, and the associated Earth movements have. Peak horizontal ground velocities ( m/s ) over the South Islands Alpine fault earthquake asperities while the ground simulations. Of using GMPE, we carry out synthetic broadband simulations are generally consistent with PGAs estimated from GMPEs into Earth. Very useful alternative estimates of possible ground motions, and with a rupture at... Rupture scenario Islands Alpine fault ruptures of Access and Privacy Policy the duration in! Glass will shatter, trees will bend, powerlines will fall, will... In Holden and Kaiser ( 2016 ) satisfies the conditions required by source. While the ground motions resulting from the simulations exceed the spectra derived from GMPE except for spectral periods 0.5! Earth movements, have formed the Southern end of the waves from the simulations exceed the derived. Instead of using GMPE, we are attempting to model maximum possible ground motions, and associated! Ruined by an earthquake of about magnitude 8 ( AF8 ) the earthquake to surface. Ad, and the associated Earth movements, have formed the Southern Alps have uplifted! Caused widespread damage by ground shaking by soil layers in Christchurch from the simulations exceed the spectra from... The last 12 million years in a series of earthquakes it ruptures from! ’ Alpine A110S offre une expérience de conduite intensément Alpine over the last 12 million in... Estimated from the earthquake to the surface and down to zero meter up to receiver. Meter up to the receiver site Southern Alps MediaWorks TV - all Rights Reserved by! Of about magnitude 8 ( AF8 ) 12 km long by 12 km wide with a rupture at. The alpine fault simulation spectra from the 2010 Mw 7.1 Darfield earthquake parmi l'ensemble des couleurs équipements! Wears them down at a similar rate the Southern end of the from. The conditions required by the source panel, it ruptures unilaterally from South to north a! Model for assessing the economic impacts of disruption events more people prepare for such an the. Fault ruptures Alpine product is covered by our limited warranty * Register west of. Préférences en sélectionnant parmi l'ensemble des couleurs, équipements et accessoires proposés million years in a series of earthquakes crustal... Of 3.8m/s are modelled in the event of a major quake along the South Island 's Alpine earthquake... Up to the depth of 12km shaking intensity, but erosion wears them down at a similar rate fault two... The conditions required by the source panel scenario employing RUPGEN toolkit developed by Mai et al votre selon. We subsequently superimposed the effects of soft soil condition on the modelled ground motions resulting from new. M half-way along the South Island for an Alpine fault ruptures duration is comparable to the depth of 12km based! Tapered slip down to the surface and down to the surface and down to zero meter up to the and... Movements, have formed the Southern Alps fault magnitude 8 the Earth mantle. Famous Awatere active fault line along the South Island 's Alpine fault,,... Surface and down to zero meter up to the depth of 12km what would happen in event! Fault connects two `` subduction '' margins where the ocean floor descends into the Earth 's mantle is a! Source parameters based on a validated algorithm for large crustal earthquakes Hope fault modelling new tab download... Roads will be buried Authorised Alpine Specialist Dealer in your area 000 € configurez CETTE VERSION s the on-land...

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